Gas Service Pipes ~
1. Whenever possible the service pipe should enter the building
on the side nearest to the main.- A service pipe must not pass under the foundations of a
building. - No service pipe must be run within a cavity but it may pass
through a cavity by the shortest route. - Service pipes passing through a wall or solid floor must be
enclosed by a sleeve or duct which is end sealed with mastic. - No service pipe shall be housed in an unventilated void.
- Suitable materials for service pipes are copper (BS EN 1057) and
steel (BS EN 10255). Polyethylene (BS EN 1555) is normally used
underground, but not above ground.
Gas Supply---Basic Requirements